Unity RTB error 1004: Missing crtype in bid extension
What Unity Exchange says
The bid extension did not include a crtype when responding to a consolidated bid request.
Unity Exchange reports this integer in the ${AUCTION_LOSS} macro on the bid's lurl. A search for Unity RTB error 1004 is this code.
What was checked
Unity checked crtype on the bid extension against the ad types on a consolidated request.
What to change
A consolidated Unity request expects crtype on the bid extension. Add it, using one of the ad types Unity listed on the request.